﻿<template>
    <div class="login-container">
        <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" autocomplete="on" label-position="left">

            <div class="title-container">
                <h3 class="title">{{siteTitle}}</h3>
            </div>
            <el-form-item prop="username">
                <span class="svg-container">
                    <svg-icon icon-class="user"></svg-icon>
                </span>
                <el-input ref="username"
                          v-model="loginForm.username"
                          placeholder="Username"
                          name="username"
                          type="text"
                          tabindex="1"
                          autocomplete="on"></el-input>
            </el-form-item>
            <el-tooltip v-model="capsTooltip" content="Caps lock is On" placement="right" manual>
                <el-form-item prop="password">
                    <span class="svg-container">
                        <svg-icon icon-class="password"></svg-icon>
                    </span>
                    <el-input :key="passwordType"
                              ref="password"
                              v-model="loginForm.password"
                              :type="passwordType"
                              placeholder="Password"
                              name="password"
                              tabindex="2"
                              autocomplete="on"
                              @keyup.native="checkCapslock"
                              @blur="capsTooltip = false"
                              @keyup.enter.native="handleLogin"></el-input>
                    <span class="show-pwd" @click="showPwd">
                        <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"></svg-icon>
                    </span>
                </el-form-item>
            </el-tooltip>
            <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin">Login</el-button>

        </el-form>
    </div>
</template>

<script>
    import * as Validate from "/vue/utils/validate.js";
    import * as UtilsObj from "/vue/utils/index.js";
    module.exports = {
        name: "Login",
        components: {},
        data() {
            const validateUsername = (rule, value, callback) => {
                if (!Validate.validUsername(value)) {

                    callback(new Error("请输入正确的用户名"))
                } else {
                    callback()
                }
            }
            const validatePassword = (rule, value, callback) => {
                if (value.length < 6) {
                    callback(new Error("The password can not be less than 6 digits"))
                } else {
                    callback()
                }
            }
            return {
                loginForm: {
                    username: "admin",
                    password: "888888"
                },
                loginRules: {
                    username: [{ required: true, trigger: "blur", validator: validateUsername }],
                    password: [{ required: true, trigger: "blur", validator: validatePassword }]
                },
                passwordType: "password",
                capsTooltip: false,
                loading: false,
                siteTitle
            }
        },
        watch: {
        },
        created() {

        },
        mounted() {
            if (this.loginForm.username === "") {
                this.$refs.username.focus()
            } else if (this.loginForm.password === "") {
                this.$refs.password.focus()
            }
        },
        destroyed() {

        },
        methods: {
            checkCapslock({ shiftKey, key } = {}) {
                if (key && key.length === 1) {
                    if (shiftKey && (key >= "a" && key <= "z") || !shiftKey && (key >= "A" && key <= "Z")) {
                        this.capsTooltip = true
                    } else {
                        this.capsTooltip = false
                    }
                }
                if (key === "CapsLock" && this.capsTooltip === true) {
                    this.capsTooltip = false
                }
            },
            showPwd() {
                if (this.passwordType === "password") {
                    this.passwordType = ""
                } else {
                    this.passwordType = "password"
                }
                this.$nextTick(() => {
                    this.$refs.password.focus()
                })
            },
            handleLogin() {
                this.$refs.loginForm.validate(valid => {
                    if (valid) {
                        this.loading = true;
                        this.$store.dispatch('user/login', this.loginForm)
                            .then(data => {
                                if (isOtherLogin) {
                                    otherQuery.token = data.token;
                                    const url = UtilsObj.joinUrl(redirect, otherQuery);
                                    top.location.href = url;
                                }
                                else {
                                    this.$router.push({ path: data.path }).catch(err => {
                                    });
                                }
                                this.loading = false
                            })
                            .catch(() => {
                                this.loading = false
                            });
                        return true;
                    }
                    return false
                })
            }
        }
    }
</script>

<style lang="scss">
    /* 修复input 背景不协调 和光标变色 */
    /* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

    $bg:#283443;
    $light_gray:#fff;
    $cursor: #fff;

    @supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
        .login-container .el-input input

    {
        color: $cursor;
    }

    }

    /* reset element-ui css */
    .login-container {
        .el-input

    {
        display: inline-block;
        height: 47px;
        width: 85%;
        input

    {
        background: transparent;
        border: 0px;
        -webkit-appearance: none;
        border-radius: 0px;
        padding: 12px 5px 12px 15px;
        color: $light_gray;
        height: 47px;
        caret-color: $cursor;
        &:-webkit-autofill

    {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
    }

    }
    }

    .el-form-item {
        border: 1px solid rgba(255, 255, 255, 0.1);
        background: rgba(0, 0, 0, 0.1);
        border-radius: 5px;
        color: #454545;
    }
    }
</style>

<style lang="scss" scoped>
    $bg:#2d3a4b;
    $dark_gray:#889aa4;
    $light_gray:#eee;

    .login-container {
        min-height: 100%;
        width: 100%;
        background-color: $bg;
        overflow: hidden;
        .login-form

    {
        position: relative;
        width: 520px;
        max-width: 100%;
        padding: 160px 35px 0;
        margin: 0 auto;
        overflow: hidden;
    }

    .tips {
        font-size: 14px;
        color: #fff;
        margin-bottom: 10px;
        span

    {
        &:first-of-type

    {
        margin-right: 16px;
    }

    }
    }

    .svg-container {
        padding: 6px 5px 6px 15px;
        color: $dark_gray;
        vertical-align: middle;
        width: 30px;
        display: inline-block;
    }

    .title-container {
        position: relative;
        .title

    {
        font-size: 26px;
        color: $light_gray;
        margin: 0px auto 40px auto;
        text-align: center;
        font-weight: bold;
    }

    }

    .show-pwd {
        position: absolute;
        right: 10px;
        top: 7px;
        font-size: 16px;
        color: $dark_gray;
        cursor: pointer;
        user-select: none;
    }

    .thirdparty-button {
        position: absolute;
        right: 0;
        bottom: 6px;
    }

    @media only screen and (max-width: 470px) {
        .thirdparty-button {
            display: none;
        }
    }
    }
</style>

